CN111249067B - Preparation method of deodorizing hygienic product - Google Patents
Preparation method of deodorizing hygienic product Download PDFInfo
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- CN111249067B CN111249067B CN202010065046.7A CN202010065046A CN111249067B CN 111249067 B CN111249067 B CN 111249067B CN 202010065046 A CN202010065046 A CN 202010065046A CN 111249067 B CN111249067 B CN 111249067B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
- A61F2013/8408—Additives, e.g. for odour, disinfectant or pH control with odour control
- A61F2013/842—Additives, e.g. for odour, disinfectant or pH control with odour control with active charcoal
Abstract
The invention relates to the field of sanitary products, and provides a preparation method of an odor-removing sanitary product, which solves the defect that the sanitary product in the prior art cannot eliminate peculiar smell emitted after use, and comprises the preparation steps of preparing a liquid-permeable surface layer, preparing an absorption core, preparing a liquid-impermeable bottom layer, and compounding the liquid-permeable surface layer, the absorption core and the liquid-impermeable bottom layer into a whole, wherein the preparation method of the liquid-impermeable bottom layer comprises the following steps: preparing an active carbon solution loaded with nano titanium dioxide and coating the active carbon solution loaded with nano titanium dioxide on the middle part of a liquid-tight bottom layer.
Description
Technical Field
The invention relates to the field of sanitary products, in particular to a preparation method of a deodorizing sanitary product.
Background
In the sanitary products, such as disposable baby diapers, adult diapers, nursing pads and the like, odor such as ammonia gas and the like is often generated after use, and particularly in summer with high temperature, uncomfortable feeling is generated for users and caregivers, therefore, in order to eliminate odor, people improve the sanitary products, and it is common to add an ingredient for adsorbing or eliminating the odor on a core body, for example, a part of proportion of an activated carbon adsorbent is added in an absorption core, or an aromatic agent is added, however, the aromatic agent only plays a role in covering the odor, and the odor which can be adsorbed by the activated carbon adsorbent is very limited.
Chinese patent application No. 201810294385.5 discloses a composition for removing odor on paper diapers, which comprises the following components in parts by mass: 40-70 parts of modified starch, 10-20 parts of modified silicon dioxide, 5-10 parts of plant extract, 1-10 parts of ethanol and 0.1-1 part of menthol, and the preparation method comprises the following steps: 1) uniformly mixing modified starch and modified silicon dioxide for later use; 2) dissolving menthol in ethanol until the menthol is transparent; 3) adding the plant extract into the dispersion of menthol; 4) uniformly spraying the dispersion liquid obtained in the step 3) on the surface of the mixture obtained in the step 1) under stirring. According to the composition for removing the peculiar smell on the paper diaper, the hydrophobically modified starch is used as the filler, the hydrophobically modified silicon dioxide is added as the adsorbent, and the hydrophobically modified starch and the silicon dioxide have low surface tension and low urine adsorption performance, so that the urine cannot enter an adsorption space in the adsorbent, and the composition can adsorb the peculiar smell gas. In addition, the petal extract and the menthol are added into the composition, so that the paper diaper added with the composition emits natural fragrance, and the user feels comfortable due to the menthol in the composition when the diaper is used.
Chinese patent No. 2016208250103 discloses a compound antibiotic odorless panty-shape diapers, it has arranged in proper order from inside to outside and has prevented edge leakage non-woven fabrics layer, top layer non-woven fabrics layer, compound absorbing body layer and basement membrane, still includes chitin chip layer, chitin chip layer is located between top layer non-woven fabrics layer and the compound absorbing body layer, and this kind of panty-shape diapers play the odor purification effect through chitin chip layer, but the effect is comparatively limited.
Disclosure of Invention
Therefore, aiming at the content, the invention provides a preparation method of an odor-removing sanitary product, which solves the defect that the sanitary product in the prior art cannot eliminate the odor emitted after use.
In order to achieve the purpose, the invention is realized by the following technical scheme: a preparation method of an odor removal sanitary product comprises the preparation steps of preparing a liquid-permeable surface layer, preparing an absorption core, preparing a liquid-impermeable bottom layer and compounding the liquid-permeable surface layer, the absorption core and the liquid-impermeable bottom layer into a whole, wherein the preparation method of the liquid-impermeable bottom layer comprises the following steps: the method comprises the steps of preparing an active carbon solution loaded with nano titanium dioxide and coating the active carbon solution loaded with the nano titanium dioxide on the middle part of a liquid-tight bottom layer, wherein the specific steps of preparing the active carbon solution loaded with the nano titanium dioxide comprise the following steps:
(1) nano TiO22Preparing microspheres: firstly, 1 to 1.5 parts by weight of (NH4)2TiF6Dissolving the urea in 60-70 parts by weight of distilled water under magnetic stirring, adding 2-2.5 parts by weight of urea, continuously stirring until the urea is completely dissolved, and adding 16.65-22.22 parts by weight of 30% H2O2Dropwise adding the solution into the solution, stirring and mixing uniformly, transferring the final solution into a hydrothermal reaction kettle, placing the hydrothermal reaction kettle into an oven for hydrothermal reaction at 200 ℃ for 10 hours, naturally cooling to room temperature after the reaction is finished, filtering the precipitate by using a filter membrane with the pore diameter of 0.45 mu m, washing the precipitate to be neutral by using a large amount of distilled water, and naturally drying to obtain the nano TiO nano-particles2Microspheres;
(2) respectively weighing 5 parts by weight of the nano TiO2 microspheres prepared in the step (1) and 800-1200 parts by weight of ethanol in a bearing container, placing the container on a magnetic stirrer, stirring for 4-4.5 hours, and then placing a titanium dioxide solution in an ultrasonic oscillator, and oscillating for 5-10 min to obtain a micro particle suspension for later use;
(3) soaking the activated carbon in distilled water for 1-1.5 h, taking out, and drying in an oven for 23-24 h for later use;
(4) placing the particle suspension in a container, adding the activated carbon treated in the step (3), completely immersing the activated carbon for 1-2 min, taking out the activated carbon, and drying in an oven at 55-60 ℃ for 23-24 h to obtain an activated carbon solution loaded with nano titanium dioxide;
(5) and (4) crushing the activated carbon loaded with the nano titanium dioxide obtained by the treatment in the step (4), and adding a dispersing agent to prepare the activated carbon solution loaded with the nano titanium dioxide.
The further improvement is that: the side edges of the liquid-tight bottom layer are also subjected to water repellent treatment.
The further improvement is that: the dosage of the activated carbon solution loaded with the nano titanium dioxide coated on the middle part of the liquid-tight bottom layer is 50-150 g/m2A nonwoven fabric.
The further improvement is that: the water repellency treatment is carried out by adopting an organic water repellency treating agent
By adopting the technical scheme, the invention has the beneficial effects that:
1. compared with the traditional titanium dioxide, the active carbon solution loaded with the nano titanium dioxide has better photocatalysis effect, and when the active carbon loaded with the nano titanium dioxide is irradiated by light with the wavelength less than or equal to 387.5nm, valence band electrons in the titanium dioxide can obtain photon energy and reach a conduction band more, so that photo-generated electrons e are formed-And the valence band correspondingly forms photogenerated holes (h)+) The active carbon can gather and adsorb the peculiar smell of ammonia gas and the like, the ammonia gas is catalyzed and decomposed into water and nitrogen by titanium dioxide, and the peculiar smell is decomposed and eliminated.
2. The invention adopts the titanium dioxide modified by the active carbon as the photocatalyst, and has better catalytic effect compared with the traditional titanium dioxide.
3. The nano TiO of the invention2Micro-spheres with (NH4)2TiF6Urea, H2O2The solution is used as a reaction raw material, and finally the obtained precipitate is washed to be neutral by distilled water, the used raw material is cheap and easy to obtain, the operation is simple, and the urine water is used as a precipitator, so that the precipitate can be uniformly distributed in particle size, small in particle size and high in purity.
4. And (4) the activated carbon obtained in the step (3) is subjected to water soaking treatment and activation, and then is dried, so that water-soluble impurities in the activated carbon can be removed, and the activated carbon with high purity is obtained.
5. According to the invention, the activated carbon is soaked in the particle suspension and dried, the temperature during drying is controlled to be 55-60 ℃, and the temperature is controlled within the range, so that the activated carbon fiber can be prevented from being oxidized, the shrinkage, collapse and specific surface reduction of cavities on the activated carbon fiber are avoided, and the higher adsorption force is kept.
Drawings
FIG. 1 is a reaction diagram of titanium dioxide in the first embodiment of the present invention.
Detailed Description
The following detailed description will be provided for the embodiments of the present invention with reference to specific embodiments, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented.
Unless otherwise indicated, the techniques employed in the examples are conventional and well known to those skilled in the art, and the reagents and products employed are also commercially available. The source, trade name and if necessary the constituents of the reagents used are indicated at the first appearance.
Example one
A preparation method of an odor-removing paper diaper comprises the following preparation steps:
(1) preparing a liquid-permeable surface layer:
(2) preparing an absorbent core:
(3) preparing a liquid-impermeable bottom layer: compounding a layer of non-woven fabric on the lower surface of the PE film on line, coating the active carbon solution loaded with nano titanium dioxide on the middle part of the bottom surface of the non-woven fabric on line, wherein the dosage of the active carbon solution loaded with nano titanium dioxide is 50g/m2The preparation method comprises the following steps of:
a. nano TiO22Preparing microspheres: first, 1.19 parts by weight of (NH4)2TiF6Dissolving in 65 weight parts of distilled water under magnetic stirring, adding 2.42 weight parts of urea, stirring until completely dissolving, adding 16.65 weight parts of 30% H2O2Dropwise adding the solution into the solution, stirring and mixing uniformly, transferring the final solution into a hydrothermal reaction kettle, putting the hydrothermal reaction kettle into an oven for hydrothermal reaction at 200 ℃ for 10 hours, and finishing the reactionNaturally cooling to room temperature, filtering the precipitate with a filter membrane with pore diameter of 0.45 μm, washing the precipitate with distilled water to neutrality, and naturally drying to obtain nanometer TiO2Microspheres;
b. respectively weighing 5 parts by weight of the nano TiO prepared in the step a2Placing the microspheres and 1000 parts by weight of ethanol in a bearing container, placing the container on a magnetic stirrer, stirring for 4 hours, and then placing a titanium dioxide solution in an ultrasonic oscillator, and oscillating for 5 minutes to obtain a micro particle suspension for later use;
c. soaking the activated carbon in distilled water for 1h, taking out the activated carbon, and then drying the activated carbon in an oven for 24h for later use;
d. placing the particle suspension in a container, adding the activated carbon treated in the step c, completely immersing the activated carbon for 1min, taking out the activated carbon, and placing the activated carbon in a drying oven at 60 ℃ for drying for 24h to obtain an activated carbon solution loaded with nano titanium dioxide; the container in the step can be a large beaker, and can also be replaced by other containers capable of containing liquid;
e. d, crushing the activated carbon loaded with the nano titanium dioxide obtained by the treatment in the step d, and adding a dispersing agent to prepare an activated carbon solution loaded with the nano titanium dioxide;
(4) the liquid-permeable surface layer, the absorption core and the liquid-impermeable bottom layer are compounded into a whole on line.
Referring to fig. 1, the catalytic principle of titania in the activated carbon solution loaded with nano titania in this embodiment is as follows: when light is irradiated, valence band electrons in titanium dioxide obtain photon energy and advance to a conduction band to form photo-generated electrons e-And the valence band correspondingly forms photogenerated holes (h)+) The active carbon gathers and adsorbs the peculiar smell such as ammonia gas, the ammonia gas is catalyzed and decomposed into water and nitrogen by titanium dioxide, and the peculiar smell is decomposed and eliminated.
Example two
Referring to the first embodiment, the side edge of the non-woven fabric of the liquid-tight bottom layer is subjected to water repellent treatment, and the side edge refers to a region except for the activated carbon solution coated with the nano titanium dioxide in the middle.
The water repellent treatment adopts an organic silicon water repellent treatment agent for treatment, and the specific treatment mode is as follows: the non-woven fabric is uncoiled, the organic silicon water repellent treatment agent is intermittently sprayed on the non-woven fabric on line, so that the water repellent treatment agent is not sprayed on the middle part of the non-woven fabric, the water repellent treatment agent is sprayed on the side edge of the non-woven fabric, the treatment mode is consistent with the intermittent glue spraying of the rubber band, the organic silicon water repellent treatment agent replaces glue, the original production line is adopted, and new equipment does not need to be purchased again.
The side edge of the non-woven fabric of the liquid-tight bottom layer is subjected to water repellent treatment, so that water generated after ammonia gas is decomposed in the middle of the non-woven fabric can not be adsorbed by the non-woven fabric in the area, and the damp feeling is reduced.
The deodorizing sanitary article of the present invention may be used in the field of disposable sanitary articles such as adult paper diaper, pull-up diaper, sanitary napkin, etc. besides the paper diaper exemplified in the examples.
The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.
Claims (1)
1. The preparation method of the odor removal sanitary product comprises the preparation steps of preparing a liquid-permeable surface layer, preparing an absorption core, preparing a liquid-impermeable bottom layer and compounding the liquid-permeable surface layer, the absorption core and the liquid-impermeable bottom layer into a whole, and is characterized in that the preparation method of the liquid-impermeable bottom layer comprises the following steps: the method comprises the steps of preparing an active carbon solution loaded with nano titanium dioxide and coating the active carbon solution loaded with nano titanium dioxide on the middle part of a liquid-tight bottom layer, wherein the specific steps of preparing the active carbon solution loaded with nano titanium dioxide are as follows:
(1) nano TiO22Preparing microspheres: firstly, 1 to 1.5 parts by weight of (NH4)2TiF6Dissolving the urea in 60-70 parts by weight of distilled water under magnetic stirring, adding 2-2.5 parts by weight of urea, continuously stirring until the urea is completely dissolved, and then dissolving the urea in the mixture16.6-22.5 parts by weight of 30% by mass of H2O2Dropwise adding the solution into the solution, stirring and mixing uniformly, transferring the final solution into a hydrothermal reaction kettle, placing the hydrothermal reaction kettle into an oven for hydrothermal reaction at 200 ℃ for 10 hours, naturally cooling to room temperature after the reaction is finished, filtering the precipitate by using a filter membrane with the pore diameter of 0.45 mu m, washing the precipitate to be neutral by using a large amount of distilled water, and naturally drying to obtain the nano TiO nano-particles2Microspheres;
(2) respectively weighing 5 parts by weight of the nano TiO2 microspheres prepared in the step (1) and 800-1200 parts by weight of ethanol in a bearing container, placing the bearing container on a magnetic stirrer, stirring for 4-4.5 hours, and then placing a titanium dioxide solution in an ultrasonic oscillator, and oscillating for 5-10 min to obtain a tiny particle suspension for later use;
(3) soaking the activated carbon in distilled water for 1-1.5 h, taking out, and drying in an oven for 23-24 h for later use;
(4) placing the particle suspension in a container, adding the activated carbon treated in the step (3), completely immersing the activated carbon for 1-2 min, taking out the activated carbon, and drying in an oven at 55-60 ℃ for 23-24 h to obtain the activated carbon loaded with the nano titanium dioxide;
(5) crushing the activated carbon loaded with the nano titanium dioxide obtained by the treatment in the step (4), adding a dispersing agent to prepare an activated carbon solution loaded with the nano titanium dioxide, performing water repellency treatment on the side edge of the liquid-tight bottom layer, and coating the activated carbon solution loaded with the nano titanium dioxide on the middle part of the liquid-tight bottom layer by using 50-150 g/m2The water repellent treatment adopts organic water repellent treatment agent to treat; the specific treatment method comprises the following steps: the non-woven fabric is uncoiled, the organic silicon water repellent treatment agent is intermittently sprayed on the non-woven fabric on line, so that the water repellent treatment agent is not sprayed on the middle part of the non-woven fabric, the water repellent treatment agent is sprayed on the side edge of the non-woven fabric, the treatment mode is consistent with the intermittent glue spraying of the rubber band, the organic silicon water repellent treatment agent replaces glue, the original production line is adopted, and new equipment does not need to be purchased again.
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Inventor after: Wang Xumei Inventor after: Guo Jingcheng Inventor after: Yang Lili Inventor after: Chen Shuxia Inventor before: Guo Jingcheng |
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Effective date of registration: 20221130 Address after: 362261 No.1, Jingyang West Road, Neikeng (Neikeng brand industrial city), Jinjiang City, Quanzhou City, Fujian Province Patentee after: FUJIAN HENGAN HOUSEHOLD LIFE ARTICLE Co.,Ltd. Address before: 362200 HengAn industrial city, Anhai Town, Jinjiang City, Quanzhou City, Fujian Province Patentee before: FUJIAN HENGAN HOLDING Co.,Ltd. Patentee before: FUJIAN HENGAN HOUSEHOLD LIFE ARTICLE Co.,Ltd. Patentee before: HENGAN (CHINA) HYGIENE PRODUCTS Co.,Ltd. |